To be made up of:
If you are citing published data, for example if it appears in a book or journal article, cite the publication rather than the data itself.
(Pew Hispanic Centre, 2009)
Pew Hispanic Center. (2009). 2007 Hispanic Healthcare Survey [Data file and code book]. Pew. http://pewhispanic.org/datasets/
Follow the links below for in-depth guidance on referencing data from the APA style guide: